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Millimeterwave Vivaldi Antenna with Liquid Crystal Phase Shifter for Electronic Beam Steering

Hoefle, Matthias and Koeberle, Markus and Penirschke, Andreas and Jakoby, Rolf (2011):
Millimeterwave Vivaldi Antenna with Liquid Crystal Phase Shifter for Electronic Beam Steering.
In: 6th ESA Workshop on Millimetre-Wave Technology and Applications, [Conference or Workshop Item]

Abstract

A new antipodal Vivaldi antenna array element including a liquid crystal (LC) phase shifter for applications within the frequency range of 65 - 110GHz has been realized. Measured differential phase shift, S-parameters and far field pattern are presented. The integrated liquid crystal phase shifter provides an individual phase adjustment by adapting the LC permittivity with applied bias voltage directly at the finline. A broadband antipodal Vivaldi antenna suits the finline phase shifter design to form the array element. Therefore, the proposed structure offers the potential to be utilized in a wideband array configuration for electronic beam steering.

Item Type: Conference or Workshop Item
Erschienen: 2011
Creators: Hoefle, Matthias and Koeberle, Markus and Penirschke, Andreas and Jakoby, Rolf
Title: Millimeterwave Vivaldi Antenna with Liquid Crystal Phase Shifter for Electronic Beam Steering
Language: English
Abstract:

A new antipodal Vivaldi antenna array element including a liquid crystal (LC) phase shifter for applications within the frequency range of 65 - 110GHz has been realized. Measured differential phase shift, S-parameters and far field pattern are presented. The integrated liquid crystal phase shifter provides an individual phase adjustment by adapting the LC permittivity with applied bias voltage directly at the finline. A broadband antipodal Vivaldi antenna suits the finline phase shifter design to form the array element. Therefore, the proposed structure offers the potential to be utilized in a wideband array configuration for electronic beam steering.

Divisions: 18 Department of Electrical Engineering and Information Technology > Institute for Microwave Engineering and Photonics > Microwave Engineering
18 Department of Electrical Engineering and Information Technology
18 Department of Electrical Engineering and Information Technology > Institute for Microwave Engineering and Photonics
Event Title: 6th ESA Workshop on Millimetre-Wave Technology and Applications
Date Deposited: 27 Jan 2012 15:20
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